From a04a493ead5afb10aafe2c0cf57bf9e3bf7aa844 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@openembedded.org>
Date: Thu, 12 Mar 2009 14:15:42 -0300
Subject: [PATCH] dm355-leopard: add board file based on board-dm355-evm.c
---
arch/arm/mach-davinci/Kconfig | 8 +
arch/arm/mach-davinci/Makefile | 2 +
arch/arm/mach-davinci/board-dm355-leopard.c | 295 +++++++++++++++++++++++++++
3 files changed, 305 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-davinci/board-dm355-leopard.c
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 0010f2d..85424b8 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -50,6 +50,14 @@ config MACH_SFFSDR
Say Y here to select the Lyrtech Small Form Factor
Software Defined Radio (SFFSDR) board.
+config MACH_DM355_LEOPARD
+ bool "TI DM355 Leopard board"
+ default n
+ depends on ARCH_DAVINCI_DM355
+ help
+ Configure this option to specify the whether the board used
+ for development is a DM355 Leopard board.
+
config DAVINCI_MUX
bool "DAVINCI multiplexing support"
depends on ARCH_DAVINCI
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 6783681..96ef484 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -19,3 +19,5 @@ obj-$(CONFIG_MACH_DAVINCI_EVM) += board-dm644x-evm.o
obj-$(CONFIG_MACH_DAVINCI_DM646X_EVM) += board-dm646x-evm.o
obj-$(CONFIG_MACH_DAVINCI_DM355_EVM) += board-dm355-evm.o
obj-$(CONFIG_MACH_SFFSDR) += board-sffsdr.o
+obj-$(CONFIG_MACH_DM355_LEOPARD) += board-dm355-leopard.o
+
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c
new file mode 100644
index 0000000..a1e97e8
--- /dev/null
+++ b/arch/arm/mach-davinci/board-dm355-leopard.c
@@ -0,0 +1,295 @@
+/*
+ * TI DM355 leopard board support
+ *
+ * Based on board-dm355-evm.c
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+#include <linux/i2c.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/clk.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/hardware.h>
+#include <mach/dm355.h>
+#include <mach/psc.h>
+#include <mach/common.h>
+#include <mach/emac.h>
+#include <mach/i2c.h>
+#include <mach/serial.h>
+#include <mach/nand.h>
+#include <mach/mmc.h>
+
+#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e10000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
+
+/* NOTE: this is geared for the standard config, with a socketed
+ * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
+ * swap chips, maybe with a different block size, partitioning may
+ * need to be changed.
+ */
+#define NAND_BLOCK_SIZE SZ_128K
+
+static struct mtd_partition davinci_nand_partitions[] = {
+ {
+ /* UBL (a few copies) plus U-Boot */
+ .name = "bootloader",
+ .offset = 0,
+ .size = 15 * NAND_BLOCK_SIZE,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ /* U-Boot environment */
+ .name = "params",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 1 * NAND_BLOCK_SIZE,
+ .mask_flags = 0,
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_4M,
+ .mask_flags = 0,
+ }, {
+ .name = "filesystem1",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_512M,
+ .mask_flags = 0,
+ }, {
+ .name = "filesystem2",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ }
+ /* two blocks with bad block table (and mirror) at the end */
+};
+
+static struct davinci_nand_pdata davinci_nand_data = {
+ .mask_chipsel = BIT(14),
+ .parts = davinci_nand_partitions,
+ .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
+ .ecc_mode = NAND_ECC_HW_SYNDROME,
+ .options = NAND_USE_FLASH_BBT,
+};
+
+static struct resource davinci_nand_resources[] = {
+ {
+ .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
+ .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
+ .end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device davinci_nand_device = {
+ .name = "davinci_nand",
+ .id = 0,
+
+ .num_resources = ARRAY_SIZE(davinci_nand_resources),
+ .resource = davinci_nand_resources,
+
+ .dev = {
+ .platform_data = &davinci_nand_data,
+ },
+};
+
+static struct davinci_i2c_platform_data i2c_pdata = {
+ .bus_freq = 400 /* kHz */,
+ .bus_delay = 0 /* usec */,
+};
+
+static int dm355leopard_mmc_gpios = -EINVAL;
+
+static void dm355leopard_mmcsd_gpios(unsigned gpio)
+{
+ gpio_request(gpio + 0, "mmc0_ro");
+ gpio_request(gpio + 1, "mmc0_cd");
+ gpio_request(gpio + 2, "mmc1_ro");
+ gpio_request(gpio + 3, "mmc1_cd");
+
+ /* we "know" these are input-only so we don't
+ * need to call gpio_direction_input()
+ */
+
+ dm355leopard_mmc_gpios = gpio;
+}
+
+static struct i2c_board_info dm355leopard_i2c_info[] = {
+ { I2C_BOARD_INFO("dm355leopard_msp", 0x25),
+ .platform_data = dm355leopard_mmcsd_gpios,
+ /* plus irq */ },
+ /* { I2C_BOARD_INFO("tlv320aic3x", 0x1b), }, */
+ /* { I2C_BOARD_INFO("tvp5146", 0x5d), }, */
+};
+
+static void __init leopard_init_i2c(void)
+{
+ davinci_init_i2c(&i2c_pdata);
+
+ gpio_request(5, "dm355leopard_msp");
+ gpio_direction_input(5);
+ dm355leopard_i2c_info[0].irq = gpio_to_irq(5);
+
+ i2c_register_board_info(1, dm355leopard_i2c_info,
+ ARRAY_SIZE(dm355leopard_i2c_info));
+}
+
+static struct resource dm355leopard_dm9000_rsrc[] = {
+ {
+ /* addr */
+ .start = 0x04000000,
+ .end = 0x04000001,
+ .flags = IORESOURCE_MEM,
+ }, {
+ /* data */
+ .start = 0x04000016,
+ .end = 0x04000017,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .flags = IORESOURCE_IRQ
+ | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
+ },
+};
+
+static struct platform_device dm355leopard_dm9000 = {
+ .name = "dm9000",
+ .id = -1,
+ .resource = dm355leopard_dm9000_rsrc,
+ .num_resources = ARRAY_SIZE(dm355leopard_dm9000_rsrc),
+};
+
+static struct platform_device *davinci_leopard_devices[] __initdata = {
+ &dm355leopard_dm9000,
+ &davinci_nand_device,
+};
+
+static struct davinci_uart_config uart_config __initdata = {
+ .enabled_uarts = (1 << 0),
+};
+
+static void __init dm355_leopard_map_io(void)
+{
+ davinci_map_common_io();
+ dm355_init();
+}
+
+static int dm355leopard_mmc_get_cd(int module)
+{
+ if (!gpio_is_valid(dm355leopard_mmc_gpios))
+ return -ENXIO;
+ /* low == card present */
+ return !gpio_get_value_cansleep(dm355leopard_mmc_gpios + 2 * module + 1);
+}
+
+static int dm355leopard_mmc_get_ro(int module)
+{
+ if (!gpio_is_valid(dm355leopard_mmc_gpios))
+ return -ENXIO;
+ /* high == card's write protect switch active */
+ return gpio_get_value_cansleep(dm355leopard_mmc_gpios + 2 * module + 0);
+}
+
+static struct davinci_mmc_config dm355leopard_mmc_config = {
+ .get_cd = dm355leopard_mmc_get_cd,
+ .get_ro = dm355leopard_mmc_get_ro,
+ .wires = 4,
+ .max_freq = 50000000,
+ .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+};
+
+/* Don't connect anything to J10 unless you're only using USB host
+ * mode *and* have to do so with some kind of gender-bender. If
+ * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
+ * the ID pin won't need any help.
+ */
+#ifdef CONFIG_USB_MUSB_PERIPHERAL
+#define USB_ID_VALUE 0 /* ID pulled high; *should* float */
+#else
+#define USB_ID_VALUE 1 /* ID pulled low */
+#endif
+
+static struct spi_eeprom at25640a = {
+ .byte_len = SZ_64K / 8,
+ .name = "at25640a",
+ .page_size = 32,
+ .flags = EE_ADDR2,
+};
+
+static struct spi_board_info dm355_leopard_spi_info[] __initconst = {
+ {
+ .modalias = "at25",
+ .platform_data = &at25640a,
+ .max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */
+ .bus_num = 0,
+ .chip_select = 0,
+ .mode = SPI_MODE_0,
+ },
+};
+
+static __init void dm355_leopard_init(void)
+{
+ struct clk *aemif;
+
+ gpio_request(9, "dm9000");
+ gpio_direction_input(9);
+ dm355leopard_dm9000_rsrc[2].start = gpio_to_irq(9);
+
+ aemif = clk_get(&dm355leopard_dm9000.dev, "aemif");
+ clk_enable(aemif);
+ clk_put(aemif);
+
+ platform_add_devices(davinci_leopard_devices,
+ ARRAY_SIZE(davinci_leopard_devices));
+ leopard_init_i2c();
+ davinci_serial_init(&uart_config);
+
+ /* NOTE: NAND flash timings set by the UBL are slower than
+ * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
+ * but could be 0x0400008c for about 25% faster page reads.
+ */
+
+ gpio_request(2, "usb_id_toggle");
+ gpio_direction_output(2, USB_ID_VALUE);
+ /* irlml6401 switches over 1A in under 8 msec */
+ setup_usb(500, 8);
+
+ davinci_setup_mmc(0, &dm355leopard_mmc_config);
+ davinci_setup_mmc(1, &dm355leopard_mmc_config);
+
+ dm355_init_spi0(BIT(0), dm355_leopard_spi_info,
+ ARRAY_SIZE(dm355_leopard_spi_info));
+}
+
+static __init void dm355_leopard_irq_init(void)
+{
+ davinci_irq_init();
+}
+
+MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
+ .phys_io = IO_PHYS,
+ .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+ .boot_params = (0x80000100),
+ .map_io = dm355_leopard_map_io,
+ .init_irq = dm355_leopard_irq_init,
+ .timer = &davinci_timer,
+ .init_machine = dm355_leopard_init,
+MACHINE_END
--
1.6.1.2